<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>return_url</title>
    <script type="text/javascript">
        function getQueryString(name) {
            var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
            var r = window.location.search.substr(1).match(reg);
            if (r != null) return unescape(r[2]);
            return null;
        }
    </script>
</head>
<body>
aaaaaaaaaaaaa
</body>
</html>